Home / 12,548.92-18,819.54-4,339

Finding the Fourth Proportional to 12,548.92, 18,819.54 and 4,339

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Solution

The fourth proportional to 12,548.92, 18,819.54 and 4,339 is: 6,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.92 : 18,819.54 = 4,339 : x
  2. Step 2: Convert to fraction form
    12,548.92/18,819.54 = 4,339/x
  3. Step 3: Cross multiply
    12,548.92x = 18,819.54 × 4,339
  4. Step 4: Simplify right side
    12,548.92x = 81,657,984.06
  5. Step 5: Solve for x
    x = 81,657,984.06/12,548.92
  6. Step 6: Final answer
    x = 6,507.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.